package cgeo.geocaching;

import butterknife.ButterKnife;
import butterknife.InjectView;

import cgeo.geocaching.network.StatusUpdater;
import cgeo.geocaching.network.StatusUpdater.Status;
import cgeo.geocaching.utils.Log;

import rx.Subscription;
import rx.android.app.AppObservable;
import rx.functions.Action1;
import rx.subscriptions.Subscriptions;

import android.content.Intent;
import android.content.res.Resources;
import android.net.Uri;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;

public class StatusFragment extends Fragment {

    protected @InjectView(R.id.status_icon) ImageView statusIcon;
    protected @InjectView(R.id.status_message) TextView statusMessage;

    private Subscription statusSubscription = Subscriptions.empty();

    @Override
    public View onCreateView(final LayoutInflater inflater, final ViewGroup container, final Bundle savedInstanceState) {
        super.onCreateView(inflater, container, savedInstanceState);
        final ViewGroup statusGroup = (ViewGroup) inflater.inflate(R.layout.status, container, false);
        ButterKnife.inject(this, statusGroup);
        statusSubscription = AppObservable.bindFragment(this, StatusUpdater.latestStatus)
                .subscribe(new Action1<Status>() {
                    @Override
                    public void call(final Status status) {
                        if (status == null) {
                            statusGroup.setVisibility(View.INVISIBLE);
                            return;
                        }

                        final Resources res = getResources();
                        final String packageName = getActivity().getPackageName();

                        if (status.icon != null) {
                            final int iconId = res.getIdentifier(status.icon, "drawable", packageName);
                            if (iconId != 0) {
                                statusIcon.setImageResource(iconId);
                                statusIcon.setVisibility(View.VISIBLE);
                            } else {
                                Log.w("StatusHandler: could not find icon corresponding to @drawable/" + status.icon);
                                statusIcon.setVisibility(View.GONE);
                            }
                        } else {
                            statusIcon.setVisibility(View.GONE);
                        }

                        String message = status.message;
                        if (status.messageId != null) {
                            final int messageId = res.getIdentifier(status.messageId, "string", packageName);
                            if (messageId != 0) {
                                message = res.getString(messageId);
                            }
                        }

                        statusMessage.setText(message);
                        statusGroup.setVisibility(View.VISIBLE);

                        if (status.url != null) {
                            statusGroup.setOnClickListener(new OnClickListener() {
                                @Override
                                public void onClick(final View v) {
                                    startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse(status.url)));
                                }
                            });
                        } else {
                            statusGroup.setClickable(false);
                        }
                    }
                });
        return statusGroup;
    }

    @Override
    public void onDestroyView() {
        statusSubscription.unsubscribe();
        super.onDestroyView();
        ButterKnife.reset(this);
    }

}